United States · Series B startup

Who invested in Cellworks

4 rounds we have observed, with the 2 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Funding summaryUpdated 31 Oct 2026

$31Mraised across 4 rounds since 2009, from 4 sources

$3.5MSeries A$1.0MSeed$13MVenture$13MSeries B
Latest round
Series B, $13MDec 2012
Investors
2
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

201020112012
$3.5MSeries A$1.0MSeed$13MVenture$13MSeries B
First round
Series A, $3.5M
Apr 2009
Biggest round
$13M
Series B · Dec 2012
Usual gap between rounds
7 months
the median of 3

The rounds

  1. Dec 2012
    Series B$13M1 new1 returning

    From a historical funding record

  2. Oct 2012
    Venture$13M1 new

    From a historical funding record

  3. Mar 2012
    Seed$1.0M

    No investor was named in the report.

    Reported by sec.gov

  4. Apr 2009
    Series A$3.5M

    No investor was named in the report.

    From a historical funding record

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Series A2009Seed2012Venture2012Series B2012Artiman VenturesSequoia Capital

Everyone who backed them

Artiman VenturesVC firm2rounds
Sequoia CapitalVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Cellworks

Who invested in Cellworks?

Cellworks's investors include Artiman Ventures and Sequoia Capital.

How much has Cellworks raised?

Cellworks has raised $31M across 4 rounds since 2009.

When did Cellworks last raise?

Cellworks's most recent round was a Series B of $13M in Dec 2012.

What was Cellworks's biggest round?

Its most recent round, $13M in Dec 2012, is also its largest on record.

Who backed Cellworks first?

Cellworks's first round on record, in Oct 2012, was backed by Artiman Ventures.

What stage is Cellworks at?

Cellworks's latest named round is a Series B, in Dec 2012.

Where is Cellworks based?

Cellworks is based in the United States.

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